Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 7 - Section 7.3 - Adding and Subtracting Rational Expressions with the Same Denominator - Exercise Set - Page 508: 78

Answer

To subtract rational expressions with the same denominator, subtract numerators and place the difference over the common denominator. For example, $\displaystyle \frac{x+1}{x-2}-\frac{1}{x-2}=\frac{x+1-1}{x-2}=\frac{x}{x-2}$

Work Step by Step

To subtract rational expressions with the same denominator, subtract numerators and place the difference over the common denominator. For example, $\displaystyle \frac{x+1}{x-2}-\frac{1}{x-2}=\frac{x+1-1}{x-2}=\frac{x}{x-2}$
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